Exhaust Sizing? - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 9 Old 09-26-2007, 05:52 PM Thread Starter
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Exhaust Sizing?

Ok, just getting an idea of what size exhaust to get. I'm planning on running a downpipe back system. I'll keep a muffler (at least at first) with the cat removed. I will not be racing this truck. This is my daily and my racecar tow vehicle but I figure there is no reason to leave it alone. My main question is what size pipe do you guys think I should go with. The truck is basically stock right this minute but I'll be adding a ton of stuff in the next few months. The current plan is an AFE Stage II intake, SCT Livewire, exhaust(obviously), and later turbo, injector, headstuds (unless I earn them sooner!).

The truck pulls a little trailer right now but we will be upgrading to something in the 48-52 foot car hauler with living quarters. I am new to the Powerstroke thing. I work on everything diesel in the motorhome world but have yet to mess with the world of little diesels. Everything smaller than 5" in diameter looks little to me.

So, now after reading my novel----whatcha think?

04 F-350 CC 4X4 longbed
High Idle Mod
Fog Light Mod
Zoodad Mod
EGR Blade Removed
CCV Mod
Rhino Liner
Hideaway gooseneck
V-1 Hardwire
Train Horns/On Board Air
FBD 5" Turbo Back Exhaust
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post #2 of 9 Old 09-26-2007, 05:56 PM
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I would with the the "standard" 3.5 DP, cat delete, performance muffler (I have MBRP) and 4" pipes to 5" tips. Single or dual is upto you. I have the cat out and the muffler in to duals. I LOVE IT!! Good sound, but not enough to p!$$ off the neighbors.

Eric
2007 F250 6.0l King Ranch CC LB
Sponsored by Innovative Diesel Performance
SCT XCal2 w/ Custom Files & FICM tuning
DashDAQ Series II; ARP Headstuds; AFE Stage 2 XP Intake w/ Proguard 7
Industrial Injection 190cc injectors; FASS 150/180; ITP Regulated Return
'03 Turbo Swap; Zex N2O Dry Shot; CFM Smallmouth Intake Elbow
Zoodad w/ Predator Screen; MBRP 4" Cool Duals Straight Piped
EGR Delete w/ full manifold; Coolant Bypass Filter; Train Horns
Eclipse AVN62D; High Idle Mod; BFG ATs 285-65/20s

Truck- 12.51sec @ 108mph @ ~7700lbs (1/4 mi)
Cooler- 39.93sec @ 12.12mph @ ~180lbs (1/8 mi)

Email: DKR@powerstroke.org
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post #3 of 9 Old 09-26-2007, 05:56 PM
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4" should be fine for what you're doing, but the 5" sounds really nice...

Shawn Carlson
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2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
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MTW Stage 1 Turbo
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post #4 of 9 Old 09-26-2007, 06:02 PM
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post #5 of 9 Old 09-26-2007, 06:27 PM
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4" Straight pipe vote also.

Josh

04 F350 CC SB DRW IT HAS SOME STUFF

"Idiopathic, from the Latin meaning we're idiots cause we can't figure out what's causing it." House M.D.
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post #6 of 9 Old 09-26-2007, 07:07 PM Thread Starter
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That's what I wanted to know. I've been looking at the 4 and 5 inch models and wasn't sure which to go with. I love the massive 5" look but if I don't really need it then I'm not sure I want it.

Ok, now that we have a few suggestions on size--what about brand? I want something that fits great. I'm a mechanic by trade so installation is never a problem. If I didn't have to fabricate something during an upgrade I'm not sure I'd know what to do with myself.

04 F-350 CC 4X4 longbed
High Idle Mod
Fog Light Mod
Zoodad Mod
EGR Blade Removed
CCV Mod
Rhino Liner
Hideaway gooseneck
V-1 Hardwire
Train Horns/On Board Air
FBD 5" Turbo Back Exhaust
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post #7 of 9 Old 09-26-2007, 07:23 PM
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the MBRP is by far one of the greatest fits... now would you need SS or AL? magnaflow is also very good but a lil bit more expensive
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post #8 of 9 Old 09-27-2007, 06:51 AM
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FBD Budget kit will give the MBRP stuff a run for it's money on fit and finish!! Always look to get the most for your money - 4in turbo back with a free flow muffler will sound much better on top end.
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post #9 of 9 Old 09-27-2007, 06:51 AM
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4 in straight pipe my vote also
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